Multiple changes.

- Add build manifests for SourceHut.
  - Update README destination links.
  - Fix manifest for prerelease gem.
  - Reopen env handles when #clear is successful.
  - Fix #each when there is only one key.
  - Always use io_vec lengths when creating new strings.
  - Hook for rdoc generation.
  - Rename #open to #reopen, don't alias it.
  - Add a Rollback exception for upcoming transaction block work

FossilOrigin-Name: d6ddedc51b0ac67f395d5749aa3e6adbeebdaf2843c6402ace757b0afffc2be9

lib/mdbx.rb

@@ -11,8 +11,8 @@ module MDBX
 
 	# The version of this gem.
 	#
-	# Note: the MDBX library version can be found in
-	# the 'LIBRARY_VERSION' constant.
+	# Note: the MDBX library version this gem was built
+	# against can be found in the 'LIBRARY_VERSION' constant.
 	#
 	VERSION = '0.0.1'
 

lib/mdbx/database.rb

@@ -18,6 +18,8 @@ class MDBX::Database
 	###        db[ 'key' ] #=> value
 	###    end
 	###
+	### FIXME: options!
+	###
 	def self::open( *args, &block )
 		db = new( *args )
 
@@ -53,16 +55,14 @@ class MDBX::Database
 	attr_accessor :deserializer
 
 
-	# Allow for some common nomenclature.
-	alias_method :namespace, :collection
-	alias_method :reopen, :open
-
-
 	### Switch to the top-level collection.
 	###
 	def main
 		return self.collection( nil )
 	end
 
+	# Allow for some common nomenclature.
+	alias_method :namespace, :collection
+
 end # class MDBX::Database